97987286 has 16 divisors (see below), whose sum is σ = 155810304. Its totient is φ = 46057344.

The previous prime is 97987277. The next prime is 97987297. The reversal of 97987286 is 68278979.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55676 + ... + 57408.

It is an arithmetic number, because the mean of its divisors is an integer number (9738144).

Almost surely, 2^97987286 is an apocalyptic number.

97987286 is a deficient number, since it is larger than the sum of its proper divisors (57823018).

97987286 is a wasteful number, since it uses less digits than its factorization.

97987286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415.

The product of its digits is 3048192, while the sum is 56.

The square root of 97987286 is about 9898.8527618103. The cubic root of 97987286 is about 461.0236905589.

The spelling of 97987286 in words is "ninety-seven million, nine hundred eighty-seven thousand, two hundred eighty-six".